Sagot :
Answer:
A.topsoil
The first horizon is the “A“ horizon. It is more commonly called the topsoil. The topsoil is usually the darkest layer of the soil. It is the layer with the most organic material.
Explanation:
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Answer:
TOP SOIL
Called the A horizon, the topsoil is usually the darkest layer of the soil because it has the highest proportion of organic material.
Explanation:
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